Home / 52,495,280.40-78,742,920.60-48,338,230.80

Finding the Fourth Proportional to 52,495,280.40, 78,742,920.60 and 48,338,230.80

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Solution

The fourth proportional to 52,495,280.40, 78,742,920.60 and 48,338,230.80 is: 72,507,346.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,495,280.40 : 78,742,920.60 = 48,338,230.80 : x
  2. Step 2: Convert to fraction form
    52,495,280.40/78,742,920.60 = 48,338,230.80/x
  3. Step 3: Cross multiply
    52,495,280.40x = 78,742,920.60 × 48,338,230.80
  4. Step 4: Simplify right side
    52,495,280.40x = 3,806,293,469,828,874
  5. Step 5: Solve for x
    x = 3,806,293,469,828,874/52,495,280.40
  6. Step 6: Final answer
    x = 72,507,346.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.